Relier Pairs Vocabulary sleeping habitsVersion en ligne Match the expression with the correct definition par Pedro Torres Hernandez 1 feel drowsy 2 be wide awake 3 be fast asleep 4 nod off 5 toss and turn 6 be sound sleep 7 sleep like a log 8 to take a power nap 9 drift off you gradually fall asleep sleeping deeply Someone who is fully awake and unable to sleep to move about and turn over in bed because one is unable to sleep tossing and turning all night fall asleep unintentionally. sleeping in a way that makes it difficult to wake you sleepy and having low energy to take a brief sleep during the day in order to improve one's alertness and ability to work efficiently throughout the remainder of the day to sleep very soundly , so well that noises don't even wake you up.